Logical Reasoning Topics

The most important Topics in Analytical Reasoning - Logical Reasoning

Lessons for Logical Reasoning

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Logical Reasoning

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Sample Questions

Question:

Traverton's city council wants to minimize the city's average yearly expenditures on its traffic signal lights and so is considering replacing the incandescent bulbs currently in use with arrays of light-emitting diodes (LEDs) as the in candescent bulbs burn out. Compared to incandescent bulbs, LED arrays consume significantly less energy and cost no more to purchase. Moreover, the costs associated with the conversion of existing fixtures so as to accept LED arrays would be minimal. Which of the following would it be most useful to know in determining whether switching to LED arrays would be likely to help minimize Traverton's yearly maintenance costs?

Options

A. Whether the expected service life of LED arrays is at least as long as that ofthe currently used incandescent bulbs
B. Whether anycities have switched from incandescent lights in theirtraffic signalsto lighting elements other than LED arrays
C. Whether anycities have switched from incandescent lights in theirtraffic signalsto lighting elements other than LED arrays
D. Whether Traverton's city council plansto increase the numberof traffic signal lights in Traverton
E. Whether the crews that currently replace incandescent bulbs inTraverton's traffic signals know how to convert the existing fixtures so as to accept LED arrays
Answer: A